+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100348 (1995 SJ72) Classification: Main-belt Asteroid          SPK-ID: 2100348 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2175737710026619 5.4769e-08   a 3.16579329309888 1.8593e-08 au q 2.476999708104421 1.757e-07 au i 10.58504264087155 5.8035e-06 deg node 219.622894327962 2.8484e-05 deg peri 133.6202563632463 3.031e-05 deg M 153.8521337689621 1.0346e-05 deg tp 2458321.227922073796 (2018-Jul-21.72792207) 5.698e-05 TDB period 2057.416691592815 5.63 1.8125e-05 4.962e-08 d yr n .1749767081559421 1.5415e-09 deg/d Q 3.854586878093339 2.2638e-08 au   Orbit Determination Parameters    # obs. used (total)      721      data-arc span      9242 days (25.30 yr)      first obs. used      1995-09-20      last obs. used      2021-01-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51119      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:25:03   Additional Information  Earth MOID = 1.48545 au   Jupiter MOID = 1.7302 au   T_jup = 3.140  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.61   n/a E2021B55   diameter diameter 7.785 km 0.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.051   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100348 (1995 SJ72)          Discovered 1995-Sep-20 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1995 SJ72 = 2001 SV104  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-09 03:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin